IB-CAS  > 系统与进化植物学国家重点实验室
A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation
He, Lijuan1; Schneider, Harald2,3; Hovenkamp, Peter4; Marquardt, Jeannine2; Wei, Ran; Wei, Xueping5; Zhang, Xianchun; Xiang, Qiaoping
2018
Source PublicationTAXON
ISSN0040-0262
Volume67Issue:2Pages:237-249
AbstractHomoplasy, autapomorphy and rapid radiation have frequently been discussed as the main causes of instable generic classifications of plants including ferns. In this study, we explore the natural generic classification for selligueoid ferns by investigating the phylogenetic relationships among almost all its previously recognized segregates. We compare the phylogenies that resulted from two datasets. Dataset 1 comprises a broad taxonomic sampling of fifty-one species of selligueoid ferns. Phylogenetic analysis of this dataset revealed a notable long branch followed by a polytomy recovering three core clades of selligueoid ferns. Only one of the core clades corresponds to the traditional generic concept of Arthromeris. Dataset 2 includes fewer species but a broader sample of six plastid DNA markers. However, the results of this dataset show that the increase of informative molecular characters still did not provide sufficient evidence to resolve the polytomy. The long branches together with a consistent backbone polytomy support a rapid radiation in the selligueoid ferns. The majority of morphological characters were recovered as homoplastic, which hampers the identification of segregates with unambiguous diagnostic characters. Considering morphological characters and our molecular phylogeny, a single genus Selliguea s.l., which includes all selligueoid species, is proposed here to achieve taxonomic stability in this group.
Keywordgeneric classification homoplasy rapid radiation selligueoid fern
Subject AreaPlant Sciences ; Evolutionary Biology
DOI10.12705/672.1
Indexed BySCI
Language英语
WOS KeywordEUPOLYPOD II FERNS ; MALAYSIAN POLYPODIACEAE ; GENERIC DELIMITATION ; CHARACTER EVOLUTION ; CHEILANTHOID FERNS ; CHLOROPLAST RBCL ; DRYNARIOID FERNS ; SEQUENCE DATA ; CLASSIFICATION ; GENUS
WOS IDWOS:000433040700001
PublisherINT ASSOC PLANT TAXONOMY-IAPT
SubtypeArticle
Publication PlaceBRATISLAVA
EISSN1996-8175
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31370260, 31470317] ; External Cooperation Program of Bureau of International Co-operation Chinese Academy of Sciences [GJHZ201321] ; Xiamen Science and Technology Project [3502Z20172017]
Corresponding Author Emailzhangxc@ibcas.ac.cn ; qpxiang@ibcas.ac.cn
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/20607
Collection系统与进化植物学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China
2.Xiamen Overseas Chinese Subtrop Plant Intro Garde, Xiamen, Peoples R China
3.Nat Hist Museum, Dept Life Sci, London, England
4.Chinese Acad Sci, Xishuangbanna Bot Garden, Mengla, Peoples R China
5.Nat Biodivers Ctr, Leiden, Netherlands
6.Chinese Acad Med Sci, Peking Union Med Coll, Inst Med Plant Dev,Minist Educ, Key Lab Bioact Subst & Resources Utilizat Chinese, Beijing, Peoples R China
Recommended Citation
GB/T 7714
He, Lijuan,Schneider, Harald,Hovenkamp, Peter,et al. A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation[J]. TAXON,2018,67(2):237-249.
APA He, Lijuan.,Schneider, Harald.,Hovenkamp, Peter.,Marquardt, Jeannine.,Wei, Ran.,...&Xiang, Qiaoping.(2018).A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation.TAXON,67(2),237-249.
MLA He, Lijuan,et al."A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation".TAXON 67.2(2018):237-249.
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